New parents Anthony Weiner and Huma Abedin stepped out to a VIP screening of “Mad Men” on Monday. In a crisp shirt, skinnier-than-usual tie and chalk-stripe suit, the disgraced pol tried to channel the AMC show’s signature sartorial style, along with every other male guest at the Crosby Street Hotel. But stars Jon Hamm and John Slattery put all the mere (non-professionally styled) mortals to shame.